deactivatePlugin.php

<?php

/**
 * Deactivates the plugin
 */

use QUI\Ckeditor\Plugins\Manager;

QUI::$Ajax->registerFunction(
    'package_quiqqer_ckeditor4_ajax_deactivatePlugin',
    function ($pluginName) {
        $PluginManager = new Manager();

        $PluginManager->deactivate($pluginName);
    },
    ['pluginName'],
    "quiqqer.editors.ckeditor.plugins.toggle"
);